323213543 has 2 divisors, whose sum is σ = 323213544. Its totient is φ = 323213542.

The previous prime is 323213531. The next prime is 323213573. The reversal of 323213543 is 345312323.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (345312323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323213543 - 2⁶ = 323213479 is a prime.

It is a super-2 number, since 2×323213543² = 208933988757225698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323213573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606771 + 161606772.

It is an arithmetic number, because the mean of its divisors is an integer number (161606772).

Almost surely, 2^323213543 is an apocalyptic number.

323213543 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213543 is an equidigital number, since it uses as much as digits as its factorization.

323213543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 26.

The square root of 323213543 is about 17978.1406991936. The cubic root of 323213543 is about 686.2723739696.

Adding to 323213543 its reverse (345312323), we get a palindrome (668525866).

The spelling of 323213543 in words is "three hundred twenty-three million, two hundred thirteen thousand, five hundred forty-three".